Description

This RFC proposes adding support for asserting whether an input value is a well-formed string (i.e. does not contain lone surrogates).

Package: @stdlib/assert/is-well-formed-string
Alias: isWellFormedString

Related Issues

None.

Questions

No.

Other

Resources:

• Lone surrogates: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String#utf-16_characters_unicode_code_points_and_grapheme_clusters
• isWellFormed: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/isWellFormed

Prior art in stdlib:

• @stdlib/assert/is-string
• @stdlib/assert/is-empty-string

Checklist

• I have read and understood the Code of Conduct.
• Searched for existing issues and pull requests.
• The issue name begins with RFC:.